Multifocal Skull Base Defects With Associated Spontaneous Cerebrospinal Fluid Leaks.

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Spontaneous cerebrospinal fluid (CSF) leaks are thought to arise due to elevated intracranial pressure which is distributed across the skull base, potentially predisposing the development of multifocal CSF leaks. The aims of this study are to evaluate the characteristics of this population at presentation and surgical outcomes.Retrospective case series.Tertiary referral center.Patients 18 years or older with spontaneous CSF leak diagnosis were eligible for study inclusion. Multifocal spontaneous CSF leak was defined as leaks originating from more than one skull base defect at anatomically distinct subsites.None.Clinical presentation and surgical outcome.Two hundred ninety-three patients with diagnosis of spontaneous CSF leak were identified. Of these, 11 (3.8%) were characterized as having multifocal spontaneous CSF leaks. Mean body mass index was significantly higher in multifocal CSF leak patients (31.5 ± 8.5 vs 46.2 ± 9.9, p 

View the full article @ Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
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